250 
 WTNT21 KNHC 311448
 TCMAT1
 
 HURRICANE IRMA FORECAST/ADVISORY NUMBER   5
 NWS NATIONAL HURRICANE CENTER MIAMI FL       AL112017
 1500 UTC THU AUG 31 2017
 
 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
 HURRICANE CENTER LOCATED NEAR 16.9N  33.8W AT 31/1500Z
 POSITION ACCURATE WITHIN  10 NM
 
 PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 290 DEGREES AT   9 KT
 
 ESTIMATED MINIMUM CENTRAL PRESSURE  979 MB
 EYE DIAMETER  10 NM
 MAX SUSTAINED WINDS  85 KT WITH GUSTS TO 105 KT.
 64 KT....... 15NE  10SE  10SW  10NW.
 50 KT....... 30NE  20SE  20SW  30NW.
 34 KT....... 70NE  50SE  40SW  60NW.
 12 FT SEAS.. 90NE  60SE  30SW  60NW.
 WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.  RADII IN NAUTICAL
 MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
 
 REPEAT...CENTER LOCATED NEAR 16.9N  33.8W AT 31/1500Z
 AT 31/1200Z CENTER WAS LOCATED NEAR 16.7N  33.4W
 
 FORECAST VALID 01/0000Z 17.5N  35.2W
 MAX WIND 100 KT...GUSTS 120 KT.
 64 KT... 20NE  10SE  10SW  15NW.
 50 KT... 40NE  30SE  20SW  30NW.
 34 KT... 80NE  60SE  50SW  70NW.
 
 FORECAST VALID 01/1200Z 18.0N  37.1W
 MAX WIND 105 KT...GUSTS 130 KT.
 64 KT... 25NE  20SE  15SW  20NW.
 50 KT... 40NE  40SE  30SW  40NW.
 34 KT... 90NE  70SE  60SW  80NW.
 
 FORECAST VALID 02/0000Z 18.2N  39.2W
 MAX WIND 105 KT...GUSTS 130 KT.
 64 KT... 30NE  20SE  15SW  20NW.
 50 KT... 50NE  40SE  30SW  40NW.
 34 KT...100NE  70SE  60SW  90NW.
 
 FORECAST VALID 02/1200Z 18.1N  41.6W
 MAX WIND 105 KT...GUSTS 130 KT.
 50 KT... 50NE  40SE  30SW  40NW.
 34 KT...100NE  70SE  60SW 100NW.
 
 FORECAST VALID 03/1200Z 17.0N  46.5W
 MAX WIND 110 KT...GUSTS 135 KT.
 50 KT... 60NE  40SE  40SW  50NW.
 34 KT...120NE  80SE  70SW 110NW.
 
 EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
 ON DAY 4 AND 200 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY
 
 OUTLOOK VALID 04/1200Z 16.0N  51.0W
 MAX WIND 110 KT...GUSTS 135 KT.
 
 OUTLOOK VALID 05/1200Z 16.0N  55.5W
 MAX WIND 115 KT...GUSTS 140 KT.
 
 REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 16.9N  33.8W
 
 NEXT ADVISORY AT 31/2100Z
 
 $$
 FORECASTER BLAKE
 
 
 

This page was last modified on: Thu, Jul 23 2020 - 2003 UTC
Send comments to: Ryan Lyman